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17#include <linux/module.h>
18#include <linux/timer.h>
19#include <linux/interrupt.h>
20#include <linux/platform_device.h>
21#include <linux/delay.h>
22#include <linux/gpio.h>
23#include <linux/i2c.h>
24
25#include <sound/core.h>
26#include <sound/pcm.h>
27#include <sound/pcm_params.h>
28#include <sound/soc.h>
29#include <sound/uda1380.h>
30
31#include <mach/magician.h>
32#include <asm/mach-types.h>
33#include "../codecs/uda1380.h"
34#include "pxa2xx-i2s.h"
35#include "pxa-ssp.h"
36
37#define MAGICIAN_MIC 0
38#define MAGICIAN_MIC_EXT 1
39
40static int magician_hp_switch;
41static int magician_spk_switch = 1;
42static int magician_in_sel = MAGICIAN_MIC;
43
44static void magician_ext_control(struct snd_soc_dapm_context *dapm)
45{
46
47 snd_soc_dapm_mutex_lock(dapm);
48
49 if (magician_spk_switch)
50 snd_soc_dapm_enable_pin_unlocked(dapm, "Speaker");
51 else
52 snd_soc_dapm_disable_pin_unlocked(dapm, "Speaker");
53 if (magician_hp_switch)
54 snd_soc_dapm_enable_pin_unlocked(dapm, "Headphone Jack");
55 else
56 snd_soc_dapm_disable_pin_unlocked(dapm, "Headphone Jack");
57
58 switch (magician_in_sel) {
59 case MAGICIAN_MIC:
60 snd_soc_dapm_disable_pin_unlocked(dapm, "Headset Mic");
61 snd_soc_dapm_enable_pin_unlocked(dapm, "Call Mic");
62 break;
63 case MAGICIAN_MIC_EXT:
64 snd_soc_dapm_disable_pin_unlocked(dapm, "Call Mic");
65 snd_soc_dapm_enable_pin_unlocked(dapm, "Headset Mic");
66 break;
67 }
68
69 snd_soc_dapm_sync_unlocked(dapm);
70
71 snd_soc_dapm_mutex_unlock(dapm);
72}
73
74static int magician_startup(struct snd_pcm_substream *substream)
75{
76 struct snd_soc_pcm_runtime *rtd = substream->private_data;
77
78
79 magician_ext_control(&rtd->card->dapm);
80
81 return 0;
82}
83
84
85
86
87static int magician_playback_hw_params(struct snd_pcm_substream *substream,
88 struct snd_pcm_hw_params *params)
89{
90 struct snd_soc_pcm_runtime *rtd = substream->private_data;
91 struct snd_soc_dai *codec_dai = rtd->codec_dai;
92 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
93 unsigned int width;
94 int ret = 0;
95
96
97 ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_MSB |
98 SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
99 if (ret < 0)
100 return ret;
101
102
103 ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_DSP_A |
104 SND_SOC_DAIFMT_NB_IF | SND_SOC_DAIFMT_CBS_CFS);
105 if (ret < 0)
106 return ret;
107
108 width = snd_pcm_format_physical_width(params_format(params));
109 ret = snd_soc_dai_set_tdm_slot(cpu_dai, 1, 0, 1, width);
110 if (ret < 0)
111 return ret;
112
113
114 ret = snd_soc_dai_set_sysclk(cpu_dai, PXA_SSP_CLK_AUDIO, 0,
115 SND_SOC_CLOCK_OUT);
116 if (ret < 0)
117 return ret;
118
119 return 0;
120}
121
122
123
124
125static int magician_capture_hw_params(struct snd_pcm_substream *substream,
126 struct snd_pcm_hw_params *params)
127{
128 struct snd_soc_pcm_runtime *rtd = substream->private_data;
129 struct snd_soc_dai *codec_dai = rtd->codec_dai;
130 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
131 int ret = 0;
132
133
134 ret = snd_soc_dai_set_fmt(codec_dai,
135 SND_SOC_DAIFMT_MSB | SND_SOC_DAIFMT_NB_NF |
136 SND_SOC_DAIFMT_CBS_CFS);
137 if (ret < 0)
138 return ret;
139
140
141 ret = snd_soc_dai_set_fmt(cpu_dai,
142 SND_SOC_DAIFMT_MSB | SND_SOC_DAIFMT_NB_NF |
143 SND_SOC_DAIFMT_CBS_CFS);
144 if (ret < 0)
145 return ret;
146
147
148 ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
149 SND_SOC_CLOCK_OUT);
150 if (ret < 0)
151 return ret;
152
153 return 0;
154}
155
156static const struct snd_soc_ops magician_capture_ops = {
157 .startup = magician_startup,
158 .hw_params = magician_capture_hw_params,
159};
160
161static const struct snd_soc_ops magician_playback_ops = {
162 .startup = magician_startup,
163 .hw_params = magician_playback_hw_params,
164};
165
166static int magician_get_hp(struct snd_kcontrol *kcontrol,
167 struct snd_ctl_elem_value *ucontrol)
168{
169 ucontrol->value.integer.value[0] = magician_hp_switch;
170 return 0;
171}
172
173static int magician_set_hp(struct snd_kcontrol *kcontrol,
174 struct snd_ctl_elem_value *ucontrol)
175{
176 struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
177
178 if (magician_hp_switch == ucontrol->value.integer.value[0])
179 return 0;
180
181 magician_hp_switch = ucontrol->value.integer.value[0];
182 magician_ext_control(&card->dapm);
183 return 1;
184}
185
186static int magician_get_spk(struct snd_kcontrol *kcontrol,
187 struct snd_ctl_elem_value *ucontrol)
188{
189 ucontrol->value.integer.value[0] = magician_spk_switch;
190 return 0;
191}
192
193static int magician_set_spk(struct snd_kcontrol *kcontrol,
194 struct snd_ctl_elem_value *ucontrol)
195{
196 struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
197
198 if (magician_spk_switch == ucontrol->value.integer.value[0])
199 return 0;
200
201 magician_spk_switch = ucontrol->value.integer.value[0];
202 magician_ext_control(&card->dapm);
203 return 1;
204}
205
206static int magician_get_input(struct snd_kcontrol *kcontrol,
207 struct snd_ctl_elem_value *ucontrol)
208{
209 ucontrol->value.enumerated.item[0] = magician_in_sel;
210 return 0;
211}
212
213static int magician_set_input(struct snd_kcontrol *kcontrol,
214 struct snd_ctl_elem_value *ucontrol)
215{
216 if (magician_in_sel == ucontrol->value.enumerated.item[0])
217 return 0;
218
219 magician_in_sel = ucontrol->value.enumerated.item[0];
220
221 switch (magician_in_sel) {
222 case MAGICIAN_MIC:
223 gpio_set_value(EGPIO_MAGICIAN_IN_SEL1, 1);
224 break;
225 case MAGICIAN_MIC_EXT:
226 gpio_set_value(EGPIO_MAGICIAN_IN_SEL1, 0);
227 }
228
229 return 1;
230}
231
232static int magician_spk_power(struct snd_soc_dapm_widget *w,
233 struct snd_kcontrol *k, int event)
234{
235 gpio_set_value(EGPIO_MAGICIAN_SPK_POWER, SND_SOC_DAPM_EVENT_ON(event));
236 return 0;
237}
238
239static int magician_hp_power(struct snd_soc_dapm_widget *w,
240 struct snd_kcontrol *k, int event)
241{
242 gpio_set_value(EGPIO_MAGICIAN_EP_POWER, SND_SOC_DAPM_EVENT_ON(event));
243 return 0;
244}
245
246static int magician_mic_bias(struct snd_soc_dapm_widget *w,
247 struct snd_kcontrol *k, int event)
248{
249 gpio_set_value(EGPIO_MAGICIAN_MIC_POWER, SND_SOC_DAPM_EVENT_ON(event));
250 return 0;
251}
252
253
254static const struct snd_soc_dapm_widget uda1380_dapm_widgets[] = {
255 SND_SOC_DAPM_HP("Headphone Jack", magician_hp_power),
256 SND_SOC_DAPM_SPK("Speaker", magician_spk_power),
257 SND_SOC_DAPM_MIC("Call Mic", magician_mic_bias),
258 SND_SOC_DAPM_MIC("Headset Mic", magician_mic_bias),
259};
260
261
262static const struct snd_soc_dapm_route audio_map[] = {
263
264
265 {"Headphone Jack", NULL, "VOUTL"},
266 {"Headphone Jack", NULL, "VOUTR"},
267
268
269 {"Speaker", NULL, "VOUTL"},
270 {"Speaker", NULL, "VOUTR"},
271
272
273 {"VINM", NULL, "Headset Mic"},
274 {"VINM", NULL, "Call Mic"},
275};
276
277static const char * const input_select[] = {"Call Mic", "Headset Mic"};
278static const struct soc_enum magician_in_sel_enum =
279 SOC_ENUM_SINGLE_EXT(2, input_select);
280
281static const struct snd_kcontrol_new uda1380_magician_controls[] = {
282 SOC_SINGLE_BOOL_EXT("Headphone Switch",
283 (unsigned long)&magician_hp_switch,
284 magician_get_hp, magician_set_hp),
285 SOC_SINGLE_BOOL_EXT("Speaker Switch",
286 (unsigned long)&magician_spk_switch,
287 magician_get_spk, magician_set_spk),
288 SOC_ENUM_EXT("Input Select", magician_in_sel_enum,
289 magician_get_input, magician_set_input),
290};
291
292
293static struct snd_soc_dai_link magician_dai[] = {
294{
295 .name = "uda1380",
296 .stream_name = "UDA1380 Playback",
297 .cpu_dai_name = "pxa-ssp-dai.0",
298 .codec_dai_name = "uda1380-hifi-playback",
299 .platform_name = "pxa-pcm-audio",
300 .codec_name = "uda1380-codec.0-0018",
301 .ops = &magician_playback_ops,
302},
303{
304 .name = "uda1380",
305 .stream_name = "UDA1380 Capture",
306 .cpu_dai_name = "pxa2xx-i2s",
307 .codec_dai_name = "uda1380-hifi-capture",
308 .platform_name = "pxa-pcm-audio",
309 .codec_name = "uda1380-codec.0-0018",
310 .ops = &magician_capture_ops,
311}
312};
313
314
315static struct snd_soc_card snd_soc_card_magician = {
316 .name = "Magician",
317 .owner = THIS_MODULE,
318 .dai_link = magician_dai,
319 .num_links = ARRAY_SIZE(magician_dai),
320
321 .controls = uda1380_magician_controls,
322 .num_controls = ARRAY_SIZE(uda1380_magician_controls),
323 .dapm_widgets = uda1380_dapm_widgets,
324 .num_dapm_widgets = ARRAY_SIZE(uda1380_dapm_widgets),
325 .dapm_routes = audio_map,
326 .num_dapm_routes = ARRAY_SIZE(audio_map),
327 .fully_routed = true,
328};
329
330static struct platform_device *magician_snd_device;
331
332
333
334
335static struct uda1380_platform_data uda1380_info = {
336 .gpio_power = EGPIO_MAGICIAN_CODEC_POWER,
337 .gpio_reset = EGPIO_MAGICIAN_CODEC_RESET,
338 .dac_clk = UDA1380_DAC_CLK_WSPLL,
339};
340
341static struct i2c_board_info i2c_board_info[] = {
342 {
343 I2C_BOARD_INFO("uda1380", 0x18),
344 .platform_data = &uda1380_info,
345 },
346};
347
348static int __init magician_init(void)
349{
350 int ret;
351 struct i2c_adapter *adapter;
352 struct i2c_client *client;
353
354 if (!machine_is_magician())
355 return -ENODEV;
356
357 adapter = i2c_get_adapter(0);
358 if (!adapter)
359 return -ENODEV;
360 client = i2c_new_device(adapter, i2c_board_info);
361 i2c_put_adapter(adapter);
362 if (!client)
363 return -ENODEV;
364
365 ret = gpio_request(EGPIO_MAGICIAN_SPK_POWER, "SPK_POWER");
366 if (ret)
367 goto err_request_spk;
368 ret = gpio_request(EGPIO_MAGICIAN_EP_POWER, "EP_POWER");
369 if (ret)
370 goto err_request_ep;
371 ret = gpio_request(EGPIO_MAGICIAN_MIC_POWER, "MIC_POWER");
372 if (ret)
373 goto err_request_mic;
374 ret = gpio_request(EGPIO_MAGICIAN_IN_SEL0, "IN_SEL0");
375 if (ret)
376 goto err_request_in_sel0;
377 ret = gpio_request(EGPIO_MAGICIAN_IN_SEL1, "IN_SEL1");
378 if (ret)
379 goto err_request_in_sel1;
380
381 gpio_set_value(EGPIO_MAGICIAN_IN_SEL0, 0);
382
383 magician_snd_device = platform_device_alloc("soc-audio", -1);
384 if (!magician_snd_device) {
385 ret = -ENOMEM;
386 goto err_pdev;
387 }
388
389 platform_set_drvdata(magician_snd_device, &snd_soc_card_magician);
390 ret = platform_device_add(magician_snd_device);
391 if (ret) {
392 platform_device_put(magician_snd_device);
393 goto err_pdev;
394 }
395
396 return 0;
397
398err_pdev:
399 gpio_free(EGPIO_MAGICIAN_IN_SEL1);
400err_request_in_sel1:
401 gpio_free(EGPIO_MAGICIAN_IN_SEL0);
402err_request_in_sel0:
403 gpio_free(EGPIO_MAGICIAN_MIC_POWER);
404err_request_mic:
405 gpio_free(EGPIO_MAGICIAN_EP_POWER);
406err_request_ep:
407 gpio_free(EGPIO_MAGICIAN_SPK_POWER);
408err_request_spk:
409 return ret;
410}
411
412static void __exit magician_exit(void)
413{
414 platform_device_unregister(magician_snd_device);
415
416 gpio_set_value(EGPIO_MAGICIAN_SPK_POWER, 0);
417 gpio_set_value(EGPIO_MAGICIAN_EP_POWER, 0);
418 gpio_set_value(EGPIO_MAGICIAN_MIC_POWER, 0);
419
420 gpio_free(EGPIO_MAGICIAN_IN_SEL1);
421 gpio_free(EGPIO_MAGICIAN_IN_SEL0);
422 gpio_free(EGPIO_MAGICIAN_MIC_POWER);
423 gpio_free(EGPIO_MAGICIAN_EP_POWER);
424 gpio_free(EGPIO_MAGICIAN_SPK_POWER);
425}
426
427module_init(magician_init);
428module_exit(magician_exit);
429
430MODULE_AUTHOR("Philipp Zabel");
431MODULE_DESCRIPTION("ALSA SoC Magician");
432MODULE_LICENSE("GPL");
433
